Complications

Solving Logarithmic Equations - Final Lesson

Many students get stuck on equations of this type. At the same time, the tasks themselves are by no means complex - it is enough to simply perform a competent replacement of a variable, for which you should learn to identify stable expressions. In addition to this lesson, you will find Read more

Kvass from wort at home

Everyone knows that homemade kvass from wort quenches thirst well in hot weather. However, such a drink, prepared with your own hands, can be used not only as a thirst quencher, but also as an additional ingredient to the famous Russian Read more

Formation of chemical elements and substances

A chemical element is a collection of atoms with the same charge. How are simple and complex chemical elements formed? Chemical element The entire diversity of nature around us consists of combinations of a relatively small number of chemical elements. In p Read more

What makes a person human?

The difference between man and other living beings What is man and how does he differ from animals? People have been thinking about these questions for a long time. For example, the ancient Greek philosopher Plato answered them like this: “Man is a two-legged animal without feathers.” And Blaise Pascal Read more

Cossacks in the Civil War

The reasons why the Cossacks of all Cossack regions for the most part rejected the destructive ideas of Bolshevism and entered into an open struggle against them, and in completely unequal conditions, are still not entirely clear and are a mystery to many historians Read more

Planting hyacinths indoors and caring for them

Do you think hyacinth is a flower? No, this is the name of a young man, a beloved friend of the Greek god Apollo. Often the young men had fun by throwing the disc one at a time. But the jealousy of the god of the Western winds led to disaster. And so Hyacinth bleeds in the arms of his friend - the god Apol Read more

How to stop a cat from climbing on a table

The cat family is quite spontaneous and capricious creatures. Tables are their favorite habitats. In addition, various interesting things are always stored on the tables with which you can play or enjoy the delicacies that Read more

ECG intervals and waves are normal ECG analysis

Modern man is exposed to stress and physical activity every day, which negatively affects the functioning of the heart muscle. Today, pathological processes in the vascular and cardiac systems are the most acute medical and social problem. Read more